Operating mechanism



y 1930. A. H. STEBBINS OPERAT'ING MECHANISM- 3 Sheets-Sheet 1 lNl/ENTORL%M% Filed May 15. 1928 ATTORNEY Q y 1930- A. H. STEBBINS 1,759,875

OPERATING MECHANISM Filed May 15. 1928 s Shets-Sheet 2 a: ww. m G h. t S

/N l/EN TOR QZZWMWA 6 14 ATTORNEY 4 2 I I I I I E I I n l I I I I I I II I I i I I E i I I I i E i E s i I I i i i E 5 I I i I I I I I I May27, 1930; A. H. STEBBINS 1,759,875

' OPERATING MECHANISM v I Filed May 15, 1928 S5 Sheets-Sheet I5 ATTORNEYALBERT H."S"1EBB I NS,,'0F{L'OS AnainLEgoeL Fom ne orEnAgr e mEoizAliismV Appl ication fileq may 15, 1928.; Serial no, 277,916.}- I .v I, j Thisinvention'relates itoi ove'l. mechanism; tion w-l encrea-djin Connectionwith the aocom- :fork supportingan'd*Vib-rating BQjrEimeQfCQH- :panyingdr'ei'w'ingsf showing good practical cexitxfqtbr dk, --or1other1'fomlnf-is pamt r "embodiments of the invention; "g v o I ,wemployingyibtorymov m nt, 5 i g'In' thedrawingg o :Eocentii'cs aieIoommonly employedaoom Fig. 1isasideielevaijion with'parts in sec- 5 Y stituting 'asimplei neansj for; clevelopi-nggal t ion of a concentrator tableprovided with'the vibratory? .move'meiit,"biit jnany .lsepar' litingmechanismformingt11e"subjeot =matte1 of the 9 operations rrequireia;progressive;-Vibiatoi'y' present inventionfi Q i I movement; 7 iTheoIdiiia ry' ecceritificgdoenot .2 is a ,top ,planfview of mechanism 1o'pi'od'licei a"'progressive"Vibratory movement" *sHoWn inf'iFigQ 1for'niodifying the operat ion W an'dva'rioiis"meansl'have beenproposedhem-vofihe power sh'zift;--'; I tofore foimodifying thefajctioriifofaiieocen' 3 is atop View of the operating'mechtrio to Cause the same toprolujceaprogressive anism'fof'Figql;the' concentratordeck'arid ibratoryliloveni enfisfOiie of the features supportingcarriage'beingoinitted o vV I 1,5 of thepresent invention pe tjains to this end Fig. 4 is' apersp'ectilveiyiew of themeohan dfre'sidesin simple iheans" adapted tobe 'z 'nism hown in ;-Fig}i"3; i

' a-ssoeizited with a power shaftand operable to; j ]31ig *.;f isalnendfvieiv showihg themate 211 i o 7 retard therotatioi of the shaftduring pore- L clischgu ge end of the coiicen'tiator of; Fig.) 1; V v

. qtioiiofa complete rotationth hfiftififidf F ig."61s 'giside'elevetionof moflified means' -l y Q to speed up its'jiiiovement, during; mfurthelfor vai yi'iigith-opeifation of thepoWerjShiif-t;1..,7Q1 p ti r f saidrotation-fio lfiheieby develop Figj-fiisagside Viewof still'anotheiiiiodi; aprog' 'es'iimvibmiory'n ovementi Y ficatioln of means forvarying the operetion Iii is of,cou ;peeessaryfto Support the ofthepower shaft; 7 o r V. frame to befvibr gited;so $11243itiinziy'fpai'take Fig-{E isa topplan View of'meohafiism; for of't'hedesiredVibratoryifmoiementf and va- Vibrating thedeck diagonallyofiizs;supgmflc- 7 proposed to thi sfend", but; it is'iimpo 'tg t" Fig.9tis a vertical s ectionali'view"through j thatlt hebearingsoi'oothe SQplQOIiJi an anti-fpiction bearing foifs'upportihg the ing meansemployedfb' vso longtifuote deck for yibiiatoiy movement; and 1 I 7 30they will iiot be' rea'dily injii rejd by he dirt Fig. 1 0isiiai'vertical sectional View through and dust 'tha-tCOmInOIflylH'tijeIidS sepa ztting' a'niodified type of ei ti-fi'ictioibearing for 1 operations. Anothe ,fe'ituife oftlie prejsei tsupportingthe deck for vibratory'mov-eineht. 1'

' invention therefore re sidesllifi f yieldiiigiy The yziyiousfeatufes.of thep 'esent'inven-f' I mounted bearingsior roller s ada 'pted to'sup; tl'on are'ggs'hown associated-W th a concenport, the vibratoi'yframe soifihgQifijWiil10p? illffcltdftfiiblG employing 'adeck that.vibrates? it eratesmoothly and qi lie tfly aiid' whioh ai'e sos itiiapsvergelyr of its supporting 'structiireybu'tf bei-reg'xgiilji-ih- .oit Willbe understoocl'that the features ofthe I cons tiucted gfiattheywillinot, V v p x 1 jiired by the 'diift a' n'cljdusfi the''plfes'erit inyeiitioflarfe not limited in fihei 21p separatingoperatiom." '1 plic-atl'on' to "concent ator decks, but maybe"; 7 I In"the operation of somfjfo niS o Vibrai' employe' cl'in COIlIlCCtlOIlwith various fo'r'i'iis, of

tory separators such for exa ple as-oerit;i ii1" frames orsepa atorsemployixiga Vibratory types-of coh oentrato 'fcle oks lit isldesirabletomow' emeilt. V V H Vibratetheclecktrgmsverselyof'itsos ipport-- Theqablej ooncenti ator illustrated in the? v 111g fi'aine, andfanotherfeat ii eofighe pi es -l, drawings Lie provided with a vibi'atoryffraineent'inyentionresidesi'n novel' operatifig vmeahs or oarriagie lOwhioh ismounted upo'ri acasing' for recipro cafcihgi a 'deck-tianverjselyofitg"orgsuppoi'tii gstructure formed othe1up+ 'supp'oi ting'framefl rights11 to which thejlongitudiiigilly.xtend; ing beai SlQQaie seoiired'andthe 'i prigiifisan'e i ,Thsif e t res Q h 'bf$ fi V -Y o r, o v o o. ndv o vel combination ,of pa 'ts will be foiinected by:thetransversely;extending r, best understood from the'followingdescripbraces 13.1 The concentratordeok'in the pres;

' frame; a

'- asting zcas ing' ri p e ir la i s wise thereof, each lever having anofi'set por tion disposed intermediate itsendsand aproj ection extendingupwardly/therefrom to actuate said" frame,- and-power actuated means Iconnected to the ends f the levers to rock them to *thereby imparttransverse" vibratory movement to said frame. T

4C. In combinationfiwith supporting casing verse vibratory'movement, apair of levers. 7 pivota lly mounted upon the I supporting cas- 'ing,"and each hauling;:iop1' ositely extending arms and a lateral projection'nearsaid' pivot,

a a connection; betweenthe lateral; projection 5 having a frame mountedthereuponfortransi of each leverand said-frame forimparting V therockingmovem'ent ofthe levers to the r frame, andpoweractuatedmeansconnected to "said arms to rockthe leversand therebyimpart transverse vibratory movement .tosaid "5. In 'combin'ationfwiingihaving a framemountedthereupon for transverse vibratory movement, apai-rof'le casing and each having oppositelyextending 1 armsandfa"lateral projection nearsaid pivot, a connection'between thelateral projection of means connectmg said-farms toi'cause the "le-'ver's to rockzin un son, and power "actuated; means connectedtosaid'arms tofrocks th'e le-. 1

each lever-and saidgfram'elfor imparting the rocking movement ofthe'levers to' the frame,

movementto said'f 'rame.

I ivers' andthereby imparttransverse vibratory a I.

6. Incombination with liavinga frame mounted'jthereupon for trans imotion between the lateral projectionof each;

-- f verse vibratory movement,a; lpair ofylevers plvotallymountegd'i-upon,the supporting 'cas ing andhaving oppositely extendingarms andfan offsetfportion near said pivot,fa'con- I ,lever'and saidframe forimpart-ingthe rockand operable to rock the levers more energeti'cally in one direction than the otherfto impart a progressive vibratorymovement vto '1 said" .ing movement of the 'levers'to the frame, andpower actuated means connected to said arms frame.

I having a frame mounted thereupon for transverse vibratory movement, apair ofleve'rs' ffoprvotally mounted i-upon th'e; supporting 'c'as ingand having oppositely extending arms p and tin-offset portionnearisaid'pivot, conned V 1310118 between the offsetportions ofthelevers 'and'ffr'ame to actuate theslat-te'r, operating cable's conne ted[to said 'armsltoc rock said levers,,andpow'er means for tensioning aand slacking ofl' said cables,

In combinatiwzwith a supporting Gas ing havingra frame mounted thereuponfor casing and having oppositelyjextending arms 7 In combination with asupporting casing jection extending upwardly 1 from the offset and anoffset portion near said pivot,ja"proj f; f f

portion of each lever into operative-engage 3" versely ofthe'casing asthe levers arei'rqc ed,"

and power meansactingthroughsaid:arms

rock the levers:

'ment with-theframe to move the latter t a s; j' ii-Btatioii'fofsaidshaft through Part'o'f acom- I plete rotationand toincrease the speed ofthe r m c I a: c compris ng an eccentrlc l'lglCllysecured to said shaftyand- "res lient; means "mounted; to

shaft through another part ofsaid rotation,

actagainstsaid-eccentric to oppose itsindve} I menttoward said meansq pv '10.,Incombinationwithasupportingcas; 7 'ing having a frame' mountedthereupon forjy vibratory"movement, a; power shaft m'eansfi actuated bythe" power shaft to vibrate said frame, and means fordecreasing-thespeedof fvers pivotally mounted upon th u orti rotation ofsaidhshaftlthroughpartofa comi "plete' rotation andfor increasmg itthrough anotherlpart of'said rotation, comprising an 1 a eccentric rigidupon saidshaft, a sleeve jour-o j naled upon the eccentric, andresilient'means acting againstsai'dsleeve to oppose the move ment-of theeccentric towardsaid means-1' l i1 1."Incombinationwith a sup'portingcasiiig "havinga, frame mounted tli'ereuponfor vibratoryimovement, a powershaft, means:

actuated by the power fshaft to vibrate said Way around said eccentricand 'yieldingly pulled .thereagainst-gto-oppose the movement oftheeccentric toward the flexible member;

1.1 2; In combinationwith'asupporting ca s 11V ing having a framemounted thereupon" for I vibratory movement, a power-shaft, neansjactuated by the power shaft to'vibr'ate' said, v frame, and means fordecreasingthe speediof o rotation of said shaftthrough partofa completerotation and for increasing its speed. "during partof said rotation,comprising an eccentric, a sleeve journaled upon the eccen I trio, and;a strap'yieldingly held against-the I sleeve to oppose the movement ofthe eccen- 5 120. '13.. In combination'with a supporting C s 'ing havinga frame mounted thereupon forq f trio in the strap terisioningdirection.

vibratory'movement', a power shaftyme'ans actuated by the "power-shaft"to vibrate, saidframe,and means for decreasing the speedier rotation ofsaid shaft through part of a com} j plete rotation and for increasingitsspeed 7 d g part of said rotatiomcomprising eccentric, a' -sleevejourn'aled upon the eccerb; 1

trio, a strap embracing said sleeve, and ree

